Health News

Avoiding false positive for SARS-CoV-2 when using rapid antigen tests

In light of frequent false positives, a team of Canadian researchers has shown that rapid antigen tests for SARS-CoV-2 work only when manufacturer instructions are followed. The research is published this week in Microbiology Spectrum, a journal of the American Society for Microbiology. The impetus for a study to demonstrate the putatively obvious was that […]

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Does the brain learn in the same way that machines learn?

Pinpointing how neural activity changes with learning is anything but black and white. Recently, some have posited that learning in the brain, or biological learning, can be thought of in terms of optimization, which is how learning occurs in artificial networks like computers or robots. A new perspectives piece co-authored by Carnegie Mellon University and […]

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How CD4+ T cells respond to SARS-CoV-2 in COVID-19 recovered patients

An international team of researchers from the Institute for Research in Biomedicine, affiliated to the Università della Svizzera italiana, has deciphered the T cell responses occurring during COVID-19 infection at single-cell resolution. This study, which was performed at the Center of Medical Immunology under the leadership of Prof. Federica Sallusto, included collaborations with clinical institutions […]